mixed_column,numerical_column,target
?,1,1
?,2,0
5.2,3,1
1.5,4,0
0.5,5,1
1.5,6,0
2.2,7,1
x,8,0
x,9,1
?,10,0
?,11,0
?,12,1
?,13,0
2.3,14,1
1.5,15,0
3.5,16,1
2.2,17,0
0.5,18,0
1.0,19,0
x,20,1
x,21,0
x,22,1
5.4,23,0
x,24,1
x,25,0
x,26,0
x,27,0
?,28,0
?,29,1
?,30,1
?,31,1
?,32,1
x,33,1
